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stain that looks like gasoline at the bottom of the pots?
Weed4Lordstarted grow question 3y ago
hello to all I have a question I found this blue stain like gasoline at the bottom of my pot where it can come from has anyone already had a problem using mineral fertilizers?
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Robertsanswered grow question 3y ago
I had this recently and was not sure myself. My plants are fine though.
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Foffukuntzanswered grow question 3y ago
If they are new oil based plastic pots they sometimes have an oily film,residue or to help not get stuck in a stack etc
water washes it into the saucer and then evaporates, so you get an oily ring. Generally innocuous.
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